john kerry's confirmation hearing is scheduled for thursday, diane. >> all right, martha. but you have news tonight about an exoneration in another story we covered? >> reporter: i do. general john allen, who was being investigated for what the pentagon called possibly inappropriate e-mails to socialite jill kelley, has now been cleared of wrongdoing. the e-mails were discovered as part of the investigation into the extramarital affair of cia director david petraeus. so, a lot of news, diane. >> so, that's over for him then? >> reporter: that is. >> all right, thank you, martha raddatz. >>> and in houston today, there was a terrifying scene at the lone star college campus. two people with guns shooting at each other after a dispute. and two other people caught in the cross fire. one gunman also injured. you can also see some of the victims rushing out on gurneys, being carried out. and our affiliate ktrk reported that students heard five to six shots. two people have been taken into custody, one student tweeted out this picture, students huddled in a classroom after the sh